Home / 19,325.40-28,962.38-12,653.44

Finding the Fourth Proportional to 19,325.40, 28,962.38 and 12,653.44

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Solution

The fourth proportional to 19,325.40, 28,962.38 and 12,653.44 is: 18,963.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,325.40 : 28,962.38 = 12,653.44 : x
  2. Step 2: Convert to fraction form
    19,325.40/28,962.38 = 12,653.44/x
  3. Step 3: Cross multiply
    19,325.40x = 28,962.38 × 12,653.44
  4. Step 4: Simplify right side
    19,325.40x = 366,473,737.59
  5. Step 5: Solve for x
    x = 366,473,737.59/19,325.40
  6. Step 6: Final answer
    x = 18,963.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.